Tactical attack

feat DC attack

heroic

• Trip
  10+STR mod+tactical vs STR/DEX
• Stunning Blow
  10+STR mod+tactical vs Fortitude
• Sunder
  10+STR mod+tactical vs Fortitude

monk

• Stunning Fist
  10 + half character levels + Wis+tactical

ED feat

• Dire Charge
  25 + highest ability modifier + tactical(stun)

enhancement

• Vanguard_enhancements t2
  Stunning Shield：10 + highest ability modifier + character level + stunning bonuses
• Vanguard_enhancements t5
  Shield Charge:20 + highest ability modifier + class level + tactical(trip)
• Deepwood Stalker enhancements t5
  Head Shot
  14 + Ranger level + Dexterity Mod + Tactical Feat DCs vs fortitude
• Thief-Acrobat enhancements T3
  Sweeping Strikes:DC 10 + Rogue Level + Dexterity Modifier Negates trip)???
• Warchanter enhancements t5
  Spinning Ice: 14 + Charisma modifier + 1/2 Bard Level + Stunning modifiers